By Bridget M. Kuehn and Susan C. Kahler Posted Dec. 15, 2004 FOR FOURTH-GENERATION swine producer John Kellogg, sow gestation stalls are the latest in a line of housing systems designed to address sow welfare. It's a system he feels is superior, because it protects the sows from aggression and allows his staff to monitor the sows individually. But it's also a system Kellogg knows the public isn't entirely comfortable with. That's one of the reasons he makes a special effort to reach out to his neighbors and schools in his increasingly suburban community about 45 minutes southwest of Chicago. "Some people do some things just because they have a passion for it," Kellogg said, "and one of mine is to help my urban neighbors under ...